Asked by JEFF
Together, nitrogen (N2) and oxygen (O2) by volume account for _____% of the gases composing the dry air in the lower atmosphere (below an altitude of 80 km
Answers
Answered by
Tejan Gandhi
Nitrogen is around 78% and Oxygen is 21% so that make up a total of 99% of the air composition.
The 3rd most abundant gas in atmosphere is CO2.
The 3rd most abundant gas in atmosphere is CO2.
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